Means for lifting and transferring liquids



(No Medal.) 4 SheetsSheet 1.

A. G. PAUL. MEANS FOR LIFTING AND TRANSPERRING LIQUIDS, &c.

No. 563,878. Patented July 14, 1896.

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A. G. PAUL. MEANS FOR LIFTING AND TRA NSFERRING LIQUIDS, &c.

No. 563,878. Patented July 14, 1896.

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(No Model.) 4 SheetsSheet 3.

A. G. PAUL. v MEANS FORLIFTING AND TRANSFERRING LIQUIDS, 6w. N0. 563,878. Patented July 14, 1896.

(No Model.) 4 Sheets-Sheet 4. A. G. PAUL.

MEANS FOR LIFTING AND TRANSFERR-ING LIQUIDS, &c.

Patented July 14, 1896..

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UNlTED STATES PATENT ANDREW G, PAUL, OF BOSTON, MASSACHUSETTS, ASSIGNOR TO THE PAUL STEAM SYSTEM COMPANY, OF MAINE.

MEANS FOR LIFTING AND TRANSFERRING LIQUIDS, 80C.

SPECIFICATION forming part of Letters Patent No. 563,878, dated July 14, 1896.

Application filed September 29, 1894. Serial No. 624,445. (No model.)

To all whom it may concern: ing and regulating the flow through the ex- Be it known that I, ANDREW G. PAUL, a haust-pipe in the manner stated. citizen of the United States, and a resident of Myinvention consists also in providing the Boston, in the county of Suffolk and State of supply end or leg of the transfer-pipe with a Massachusetts, have invented an Iinprovevalve for the purpose of permitting liquid or 5 5 ment in Means for Lifting and Transferring other substance to pass up through the trans- Liquids and other Substances, of which the fer-pipe while preventing any backward or following is a full, clear, and exact specificareturn flow of such liquid through the suption, reference being had to the accoinpanyply-leg of the transfer-pipe. in gs drawings, which form a part hereof. My invention also consists in combining .My invention relates to devices or apparawith the transfenpipe at its outer or distus for use in lifting and conveying or transcharge end a trap device so constructed as to ferring liquids or other similar substances enable the liquid or other substance to be from a point of supply to any point where it discharged from the discharge end or leg of I 5 is desired to deliver or use such liquids or the transfer-pipe where such discharge-legof 6 5 other similar substances. the transfer-pipe is not of su fficient length to The object and special purpose of my i1ncause the substance to be discharged by the provement is to enable such substances to be weight of its own column contained therein. transferred from one point to another over My invention is fully illustrated in the ac- 20 an object or obstruction which is at a higher companying drawings, in which level than the substance to be transferred, or Figure 1 shows one form of my improved to enable such substances to be lifted from apparatus arranged to lift and transfer liquid one level. to a higher level. from a vessel A to a point at or about the Another object of my invention is to ensame level. Fig. 2 shows my improved ap- 2 5 able these results to be accomplished eiiiparatus as applied to the lifting of water from ciently and at the same time economically. a well or cistern to a tank on the upper floor My invention is especially adapted to the of a house. Fig. 3 shows another form of my handling and lifting of hot water and other apparatus arranged to lift and convey water hot liquids. from a higher to a lower level over some ele- 0 Myinvention consist-s, broadly, in the comvated point. Fig. at shows my improvement bination. with atransfer-pipe adapted to hold as applied to the lifting and transferring of and convey the substance to be transferred the water of condensation in a steam-heating and provided with two depending portions or system over an intervening passage-way or legs, of aseal at or near the outer or discharge other obstruction to a return-tank.

3 5 end of the transfer-pipe operating to prevent Similar letters of reference indicate similar 8 5 a flow into the transfer-pipe at that point of parts in the different figures. any substance other than that being trans- Referring to Fig. l, A is a vessel containferred, and of an exhaust-pipe connected ing a quantity of water B. C- is the transferwith the transfer-pipe above the seal and propipe, which, in the form shown, consists of 40 vided with automatic means for permitting three parts, the supply end or leg D, the the air and gases from the transfer-pipe to slightly-inclined connecting portion E, and flow through said exhaust-pipe while preventthe discharge-leg F. The discharge-leg F has ing anysubstantial quantity of the substance a short horizontal portion or connection G at being transferred from f] owing therethrough, its lower end. H is an exhaust-pipe connected 45 and of an exhauster so connected with the with the transfer-pipe. In the form shown 5 exhaust-pipe as to cause a flow from the in Fig. 1 this exhaust-pipe is connected at the transfer-pipe into the exhaust-pipe. upper end of the discharge-leg F. The point My invention consists also in providing the of connection between the exhaust-pipe and exhaust pipe with a restricted or contracted the transfer-pipe maybe considerably varied,

5o passage or opening for automatically restricthowever. I is a restricted passage in the ex- I00 haust-pipe for restricting or limiting and regulating the current passing into the exhaust-pipe. J is an exhausting device connected with the exhaust-pipe. I prefer to use an ordinary ejector to be worked by steam or water or air. As the particular form of ejector forms no part of my invention, I have'not shown or described the special construction thereof. K is a check-valve of ordinary construction placed at the discharge end of the transfer-pipe. I prefer to use what is known as a straightway check-valve. L is a checkvalve of similar construction placed in the supply-leg of the transfer-pipe near its lower end, that is, near the surface of the liquid to be raised. This check-valve may, however, be put at a higher or lower point in the supply-leg of the transfer-pipe, as may be desired. The check-valve K at the outer end of the transfer-pipe permits the discharge of the water from the discharge-leg, but prevents any air or water from entering the transfer-pipe at that point. The check-valve L on the supply-leg permits the water to pass up through the supply-leg of the transfer-pipe, but prevents the water from flowing back into the vessel A. The restricted passage in the exhaust-pipe may be varied somewhat in size, accordingto the size of the transfer-pipe and the conditions of its use and operation. The best results have been secured by me in transferring hot liquid of a temperature above 130 Fahrenheit and by employing a transfer-pipe having a supply-leg three-eighths of an inch in diameter and a discharge-leg one half an inch in diameter and an exhaustpipe one-quarter of an inch in diameter and a restricted passage varying from one thirtysecond to one sixty-fourth of an inch in diameter, or having a cross sectional area equivalent thereto, and having a length of about half an inch.

The-operation of the device shown in Fig. 1 is as follows: The exhauster is started and the air and other contents of the transferpipe above the water in the vessel A are caused to flow out through the restricted passage in the exhaust-pipe to be discharged. As the check-valve K prevents the admission of any air or other substance at the outer end of the transfer-pipe, the liquid from the vessel A rises through the supply-leg of the transfer-pipe until it reaches the level ofthe inclined connecting portion E, when it at once begins to flow through the inclined portion E and into the discharge-leg F, collecting at the lower-end of the latter above the check-valve K. The water continues to collect in the discharge-leg F until the column of water therein is sufficient to open the check-valve K and cause a discharge therethrough. The restricted opening in the exhaust-pipe so restricts-or limits and regulates the flow of the air and other matter through the exhaust-pipe that, as I have found in my experience, the inclined connecting portion E will not be filled completely with Water, but only a small portion of that pipe will be filled with water. The water will not be caused to flow to any appreciable extent through the restricted opening of the exhaust-pipe, but will continue to flow through the transferpipe intermittently as long as there is water enough to fill the supply-leg of the transferpipe and seal the lower end of the same. If the water in the vessel A falls below the level of the lower end of the supply-leg, the flow of water through the transfer-pipe will cease, but if more water is supplied to the vessel A, so as to seal that end of the transfer-pipe again, the water will at once begin to flow again through the transfer-pipe.

I have found in my experience that the discharge from the outer leg of the dischargepipe is intermittent, and that the water in the discharge-leg alternately rises and falls, which would seem to show that the power governing the discharge of the water is the column of water in the discharge-leg. I have also found that the discharge-leg is never entirely filled with water. I have also found that from time to time globules or small quantities of water pass into theexhaust-pipe and partly or wholly close the restricted opening therein, being apparently carried into that pipe by the velocity of the air or gases escaping therethrough. This shutting off of the exhaust-pipe seems to be dependent upon or regulated by the space between the two columns of water in the transfer-pipe. The discharge of water from-the discharge-leg appears to follow upon the shutting off of the exhaust-pipe in the manner explained above. The restricted or contracted passage or opening in the exhaust-pipe acts automatically to permit the air and gases from the transferpipe to flow through the exhaust-pipe, but to prevent any substantial quantity of the water or other substance that is being transferred from flowing through said exhaustpipe.

It will be apparent from what has been stated that by means of the device shown in Fig. 1 water can be lifted and transferred even where there is not enough to entirely fill the transfer-pipe O, as it is only necessary that there should be a sufficient amount of water to fill the supply-leg and have a column in the discharge-leg sufficient to open the check-valve K. It will also be apparent that by means of this device the water can 'be transferred as rapidly as it issupplied to the vessel A. If the supply is constant, the flow of water through the transfer-pipe will continue. If the supply is intermittent, so as to alternately seal and unseal the lower end of the supply-leg of the transfer-pipe, the flow of liquid through the transfer-pipe will be intermittent in the same way, the flow starting at once whenever afresh supply is introduced into the vessel A, sealing the lower end of the transfer-pipe. This operation is greatly facilitated by the check-valve L in the sup ply-leg. When the device is first put into operation and a column of water collected in the supply-leg, the check-valve Lmaintains that column of water constantly and prevents it from flowing back into the vessel A. If, for example, at any time the water in the vessel A falls below the level of the inner end of the transfer-pipe, the flow through the transfer-pipe is at once stopped, and if the check-valve L were not present the column of water in the leg D would at once drop, the water flowing back into the vessel A. lVhen the apparatus was again started, so as to cause a how, the water in the vesselA would have to be lifted again through the supplyleg of the device, so as to have a column therein before any of it would be transferred to the discharge-leg. In other words, the work of first establishing a column in the supplyleg would have to be done over again each time the apparatus was started. The checkvalve L overcomes this difficulty by maintaining a column of water in the supply-leg after it has been once formed therein. iVhen the flow has been interrupted by the unsealing of the lower end of the supply-leg and a fresh supply is thereafter introduced into the vessel A, the flow of liquid from the supplyleg to the discharge-leg begins at once and without it being necessary first to reestablish the column of liquid in the supply-leg.

Referring to Fig. "2, A represents a well or cistern, from which water is to be lifted to a tank or trap M at the upper part of the house. 13 is the water in the well. 0 is the transferpipe. D is the supplydeg thereof. E is the slightly-inclined connecting'portion. F is the discharge-leg. G is a short horizontal portion at the lower end of the discharge-leg. II is the exhaust-pipe. I is a restricted passage in the exhaust-pipe. J is the exhausting device. K is a check-valve at the lower end of the dischargeleg, and L a check-valve near the lower end of the supply-leg. N represents the floors of the house. The dischargeleg F empties into the tank M. The tank M is an air-tight tank or trap. O is a dischargepipe leading from the bottom of the tank M. This pipe 0 is provided with a valve device Rwhich is preferably in the form of a straightway check-valve. R is an air-pipe connected with the upper part of the tank M and provided with any suitable valve. The exhaust pipe II has two branches, one leading to the discharge-leg of the transfer-pipe, the other leading to the top of the tank or trap M, each branch being provided with a restricted passage. S is a gage connected with the tank M for the purpose of showing the level of the contents of the tank. The operation of this device is in the main similar to the operation of the device in 1. When the water flows into the discharge-leg F, it passes at once into the tank or trap M through the valve 1K, since the pressure is the same on each side of the check-valve K, the air or other contents of the trap M being caused to flow out through the vertical branch of the exhaustpipe in the same Way as the air or other contents of the transfer-pipe are caused to flow out through the upper branch of the exhaustpipe. When the tank M has been filled to the desired extent, the valve on the air-pipe R is opened, admitting the atmospheric pressure on top of the contents of the tank M. The contents of the tank M will at once flow through the check-valve P to any point de sired, as, for example, into the water-pipes which supply the various parts of the house with water. The check-valve K prevents the air or atmospheric pressure from passing into the transfer-pipe. \Vhile the contents of the tank M are being discharged in the manner stated through the discharge-pipe O, the flow of water through the transfer-pipe will continue and a column of water will be formed in the discharge-leg above the check-valve K. When a new supply is needed for the tank M, the valve on the air-pipe R is closed. The pressure in the tank M will at once be equalized with the pressure in the discharge-leg, and the water Will at once flow from the discharge-leg through the valve K into the tank M, as before.

Referring to Fig. 3, similar letters indicate similar parts. In the device shown in this drawing no check-valve is placed in the sup ply-leg and no trap device is connected with the discharge-leg. The operation of this device is the same as the operation of the device shown in Fig. 1, except that as there is no check-valve in the supply-leg the column of water is not continuously maintained therein, and when, after an interruption of the flow the current is again started, the water has to be again drawn up into the supply-leg to form a column therein before any of it passes into the discharge-leg. By omitting the check-valve from the supply-leg it is possible to allow all the contents of the transferpipe to be drained out of it by simply stopping the exhauster.

Fig. 4 shows my improvement applied to the transferring of the water of condensation in a heating system. 0; represents the steamsupply pipe of the system. b is an ordinary radiator, which is ooun ected in the usual manner with the steamsupply pipe. 0 is the re turn-pipe for the water of con den sation,which is connected with the lower part of the radiator in any suitable manner. The return-pipe is also shown as connected with the lower end of the steam-supply pipe to drain any Water of condensation that may be formed in the latter. In this device the water of condensation would collect in the return-pipe c. d is the return-tank, to which it is desirable to return the water of condensation. e represents a passage-way in a house or building or any other obstruction of such a character as would prevent the return-pipe c from being connected directly with the tank cl. It sometimes happens in heating plants that by reason of such passage-Ways or other obstructions it is impossible to drain the water of condensation directly to the return-tank. In such cases it is necessary either to discharge the water of condensation from the system, which results in a considerable loss of heat and en-.

E is the slightly-inclined connecting portion.

F is the discharge-leg. II is the exhaustpipe. I is a restricted passage in the same. J is an exhausting device. K is check-valve in the discharge-leg, and L is a check-valve in the supply-leg.

The operation of the device shown in Fig. c is the same as the operation of the device as shown in the other figures. As soon as the water collects in the return-pipe cit will gradually rise in the supply-leg D until the supply-legis filled, and then the water of conden sation will begin to flow into the disch argeleg. When a sufficient column of water collects in the discharge-leg to open the checkvalve K, the water will begin to flow into the return-tank (Z. As a result of this operation the return-pipe a would be kept substantially free of water. Whenevera small amount of water collected therein it would be at once transferred through the transfer-pipe. If my device were not used in such a case and the water of condensation were not discharged from the return-pipe 0 independently, as into the'atmosphere, and thus wasted, the water.

of condensation would collect in that pipe and in the radiator until the radiator and its connecting-pipes were flooded. My improved device in this way overcomes the difliculty, which is sometimes a serious one in steamheating systems, and does so by a simple, inexpensive, and automatic arrangement.

Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, is'

1. A device for lifting and transferring liquids and other substances, consisting of the combination of a transfer-pipe provided with a supply-leg and a discharge-leg, a seal at or near the outer end-of the discharge-leg, an eX- haust-pipe connected with the transfer-pipe above the seal, and provided with automatic means for permitting the air and gases from the transfer-pipe to flow through said exhaustpipe while preventing any substantial quantity of the substance being transferred from flowing therethrough, and an exhauster connected with the exhaust-pipe, substantially as set forth.

2. A device for lifting and transferring liquids and other substances, consisting of the combination of a transfer-pipe, provided with a supply-leg and a discharge-leg, a seal at or near the outer end of the discharge-leg, an exhaust-pipe connected with the transfer-pipe above the seal, and provided with a restricted opening adapted to permit the air and gasesfrom the transfer-pipe to flow through said exhaust-pipe but to prevent any substantial quantity of the substance being transferred from flowing therethrough, and an exhauster connected with the exhaust-pipe, substantially as set forth.

3. A device for lifting and transferringliquids and other substances, consisting of the combination of a transfer-pipe provided with a supply-leg and a discharge-leg, a seal consisting of a valve device at or near the outer end of the discharge-leg, an eXhaust-pipe connected with the transfer-pipe above the seal and provided with a restricted opening adapted to permit the air and gases from the transfer-pipe to flow through said exhaust-pipe but to prevent any substantial quantity of the substance being transferred from flowing therethrough and an exhauster connected with the exhaust-pipe, substantially as set forth.

4. A device for lifting and transferring liquids and other substances, consisting of the combination of a transfer-pipe provided with a supply-leg and a discharge-leg, a valve in the supply-leg, a seal at or near the outer end of the discharge-leg an exhaust-pipe connected with the transfer-pipe above the seal and provided with a restricted opening adapted to permit the air and gases from the transfer-pipe to flow through said exhaust-pipe but to prevent any substantial quantity of the substance being transferred from flowing therethrough, and an exhauster connected with the exhaust-pipe, substantially as set forth.

5. A device for lifting and transferring liquids and other substances consisting of the combination of a transfer-pipe provided with a supply-leg and a discharge-leg, a valve in the supply-leg, a seal consisting of a valve device at or near the outer end of the discharge-leg, an exhaust-pipe connected with the transfer-pipe above the seal and provided with a restricted opening adapted to permit the air and gases from the transfer-pipe to flow through said exhaustpipe but to prevent any substantial quantity of the substance being transferred from flowing therethrough and an eXhauster connected with the exhaustpipe, substantially as set forth.

6. A device for lifting and transferring liquids and other substances consisting of the combination of a transfer-pipe provided with a supply-leg and a discharge-leg, a checkvalve in the supply-leg, a check-valve at or near the outer end of the discharge-leg, an exhaust-pipe connected with the transfer-pipe above the check-valve of the discharge-leg and provided with a restricted opening adapted to permit the air and gases from the transferpipe to flow through said exhaust-pipe but to prevent any substantial quantity of the substance being transferred from flowing therethrough, and an exhauster connected with the exhaust-pipe, substantially as set forth.

'7. A device for lifting and transferring liquids and other substances, consisting of the combination of a transfer-pipe provided with a supply-leg and a discharge-leg, a trap at the outer end of the discharge-leg provided with an air connection, an exhaust-pipe connected with the transfer-pipe above the trap and also connected with the trap, the said exhaustpipe being provided with a restricted opening near the transfer-pipe and another restricted opening near the trap, and an exhauster connected with the exhaust-pipe, substantially as set forth.

8. A device for lifting and transferring liquids and other substances, consisting of the combination of a transfer-pipe provided with a supply-leg and a discharge-leg, a checkvalve in the supply-leg, a trap at the outer end of the discharge-leg provided with an air connection, an exhauscpipe connected with the transfer-pipe above the trap and also connected with the trap, the said exhaust-pipe being provided with a restricted opening near the transfer-pipe and another restricted opening near the trap, and an exhauster connected with the exhaust-pipe, substantially as set forth.

9. A device for lifting and transferring liquids and other substances, consisting of the combination of a transfer-pipe provided With a supply-leg and a discharge-leg, a checkvalve at or near the outer end of the discharge-leg, a closed tank into which the discharge-leg empties, a dischargepipe leading from said tank, a valve device in said discharge-pipe, an air-pipe connected with said tank and a valve device in said air-pipe, an exhaust-pipe connected with the transfer-pipe above the check-valve in the discharge-leg and also connected with the tank, said exhaust-pipe being provided with a restricted opening near the transfer-pipe and with another restricted opening near the tank, and an exhanster connected with the exhaustpipe, substantially as set forth.

10. A device for lifting and transferring liquids and other substances, consisting of the combination of a transfer-pipe provided with a supply-leg and a discharge-leg, a valve in the supply-leg, a check-valve at or near the outer end of the discharge-leg, a closed tank into which the discharge-leg empties, a discharge-pipe leading from said tank, a valve device in said discharge-pipe, an air-pipe connected with said tank and a valve device in said air-pipe, an exhaust-pipe connected uids and other substances, consisting of the combination of a transfer-pipe provided with a supply-leg and a discharge-leg, a checkvalve in the supply-leg, a check-valve at or near the outer end of the discharge-leg, a closed tank into Which'the discharge-leg empties, a discharge-pipe leading from said tank, a valve device in said discharge-pipe, an air-pipe connected with said tank and a valve device in said air-pipe, an exhaustpipe connected with the transfer-pipe above the check-valve in the discharge-leg and also connected with the tank, said exhaust-pipe being provided with a restricted opening near the transfer-pipe and with another restricted opening near the tank, and an ex hauster connected with the exhaust-pipe, substantially as set forth.

12. A device for lifting and transferring the Water of condensation of a heating system, consisting of the combination with the radiators and pipes of a heating system of a transfer-pipe connected with the return-pipe of the system and provided with a supply-leg and a discharge-leg, a seal consisting of a valve device at or near the outer end of the discharge-leg, an exhaust-pipe connected with the transfer-pipe above the seal and provided with a restricted opening adapted to permit the air and gases from the transfer- 9 pipe to flow through said exhaust-pipe but to prevent any substantial quantity of the substance being transferred from flowing therethrough, and an exhauster connected with the exhaust-pipe, substantially as set forth.

13. A device for lifting and transferring the Water of condensation of a heating system, consisting of the combination with the radiators and pipes of a heatingsystem of atransfer-pipe connected with the return-pipe of the system and provided with a supply-leg and a dischargeleg, a checkvalve in the supply-leg, a seal consisting of a valve device ator near the outer end of the dischargeleg, an exhaust-pipe connected with the transfer-pipe above the seal and provided with a restricted opening adapted to permit the air and gases from the transfer-pipe to iiow through said exhaust-pipe but to prevent any substantial quantity'of the substance being transferred'from flowing therethrough, and an exhauster connected with the exhaust-pipe, substantially as set forth.

14. A device for lifting and transferring the Water of condensation of a heating system,

connected with the transfer-pipe above the seal and provided with a restricted opening IOU adapted to permit the air andg'ases from the In testimony whereof I have signed my trans'fenpipe to flow through said exhaustname to this specification in the presence of pipe but to prevent any substantial quantity two subscribing witnesses.

of the substance being transferred from Iiow- 4 ANDREXV Gr. PAUL. 5 ing therethrough, and an exhauster connected Vitnesses:

With the ex11aust-pipe, substantially as set SIDNEY MANN,

forth. EDITH J. GR-ISWOLD. 

